Moderate CVSS 5.3 EPSS 0.00215 2025-10 archive

Executive Summary

Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

Overview

5.3
CVSS MEDIUM
Moderate
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Spoofing
Released Oct 14 2025
Last Updated Oct 14 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00215 — 0.11748 percentile
NVD CVSS 5.3 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RC:C
ATTACK VECTOR
Adjacent_network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
None
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.9

EPSS Score

0.00215
probability of exploitation in the next 30 days
0.11748 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
microsoft/playwright Repo (Security Update) Moderate Spoofing Maybe

Patches

1 patch
Article Type Restart
Repo Security Update Maybe

Known Exploits

Acknowledgments